Setts



(No Model.) 2 sheets- Sheet .11 R. WVTHOMSON & E. M. PHELPS.

METHOD OFTINISHING BUTTON HOLES.

No. 379,497. 8 Patented Mar. 13, 1888.

WITNESSES; r 8 I NVENTURS:

A-gr 1. 4.1

2 Sheets-Sheet 2.

(No Model.)

R. W. THOMSON & E. M. PHELPS.

METHOD OI FINISHING BUTTON HOLES.

No. 379,497. Patented Mar. 13, 1888.

ilNiTEn STATES PATENT OFFICE.

ROBERT W. THOMSON AND EUGENE M. PHELPS, OF LYNN, MASSAGHU- SETTS,ASSIGNORS TO SAID PHELPS AND CALVIN B. TUTTLE, TRUSTEES,

OF SAME PLACE.

METHOD OF FINISHING BUTTON-HOLES.

SPECIFICATION forming part of Letters Patent No. 379,497, dated March13. 1888.

7 Application filed September 1, 1887. Serial No. 248,435. (No model.)

To aZZ whom it may concern:

Be it known that we, ROBERT W. THoMsoN 10 This invention relates to themethod of finishing and overseaming the bar-cord and thrum ends ofbutton holes. The nature thereof will be fully described hereinafter,and

then specifically claimed. In the drawings, Figures 1, 2, 3, 4, 5, and 6represent the successive steps followed in finishing button-holes bythis method. Fig. 7 represents a button-hole piece when finished by thisprocess.

It will be understood that in making button-holes by the ordinarybutton-hole-working machine the bar-cord is continued from onebutton-hole to the next succeeding one,and so on throughout the entireseries, and that portion of the bar-cord which extends from one hole tothe other is unattached and hangs more or less in the manner of a loopalso, the thread employed for overseaming the barcord around the edgesof the button-hole is out after the completion of each particularbutton-hole, and the ends of this thread are left hanging from the smallend of the buttonhole, and it is the purpose of this invention toprovide a method of gathering into line and overseaming these threadends and bar-cord without penetrating to the face side of the button-hole piece.

To this end, in carrying the invention into effect upon a sewing-machine, we pass the needle provided with a single thread through thematerial on one side of the bar-cord and thrum ends and bring it out ofthe material on the opposite side of said bar cord and thrum ends. Therewe engage the needle- 5 thread with the shuttle-thread of the machineand draw the needle back to its original position. The two threads areinterlocked and drawn into the material directly under the bar-cord andthrum ends, as'represented in the drawings. Next we pass the needle overthe bar-cord and thrum ends and re-engage the needle thread with theshuttlethread and again draw the needle back to position. The materialis then fed one step forward and the operation of the needle andengagement of said thread is repeated, and this operation is continuedand the bar-cord and thrum ends are overlaid and tied down to thematerial by the threads crossing and recrossing over the same. We havedevised a mechanism par ticularly adapted for finishing button-holes bythis method, and have described the same in an application for LettersPatent of the United States therefor, filed August 27, 1887, No.247,556, and to that application reference may be had for a descriptionof the mechanism we prefer to employ in carrying out the work offinishing button-holes by the method herein described. It will beobserved that the needle does not penetrate through to the face side ofthe buttonhole piece, and no stitching is apparent on that side of thema terial.

We claim as our invention 1. The method of finishing and staying the barcord and thrum ends of button -holes, which consists in passing a threadinto the material on one side of the bar-cord and thrumlines andbringing it out of the material on the opposite side of the bar-cord andthrum line without penetrating through to the face side of the material,there engaging it with a second thread and drawing it back through thematerial, then passing it over the barcord and thrum-lines and againengaging it 85 with the second thread and drawing it back to the firstposition, and then moving the material forward and repeating theoperation of engaging the two threads above and below the bareord andthrum-lines at each forward movement of the material until the whole ofsaid bar-cord and thrum-lines is overlaid and tied down, substantiallyas described.

2. The method of finishing bar-cord and thrum ends of button holes,e,eonsisting in per surfaee of the material, substantially as stitchingthrgnghjhe under sgrface cj the rna des eri bed. v. 0 4 p terial andover the said cord and ends by causing the needle to enter the materialon 5 one side of the said cord and ends and to come out on the otherside of the same and then to Witnesses: pass-over said cord and ends,thereby secur- E. HAMILL; ing thenrnithontstitching rthronghtosthe up;;.n V .G. B. .TUTTLEL

